CN105089588A - Ternary composite drive double-layer pipe eccentric dispensing device - Google Patents
Ternary composite drive double-layer pipe eccentric dispensing device Download PDFInfo
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- CN105089588A CN105089588A CN201510221986.XA CN201510221986A CN105089588A CN 105089588 A CN105089588 A CN 105089588A CN 201510221986 A CN201510221986 A CN 201510221986A CN 105089588 A CN105089588 A CN 105089588A
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Abstract
The invention provides a ternary composite drive double-layer pipe eccentric dispensing device, and belongs to the technical field of oil field oil production engineering. A welding joint and the upper end of a double-pipe cover are connected through a common thread to form a first unit body; the first unit body is sealed through an O-shaped sealing ring, and is positioned through two anti-rotating pins; the lower end of an upper joint and the upper end of a connecting cover are connected through a common thread to form a second unit body; the second unit body is sealed through an O-shaped sealing ring, and is positioned through an anti-rotating pin; a correcting body upper joint, a guide body and a correcting body main body are connected through a welding mode; the correcting body main body and the upper end of a main body are connected through a bolt; and the lower end of the main body and the upper end of the lower joint are connected through a common thread, are sealed through an O-shaped sealing ring, and are positioned through an anti-rotating pin. The device can realize the pressure-mass injection of multi-section oil layers of a ternary composite drive dispensing well, and can cancel an underground layered flow test to improve the testing and debugging efficiency.
Description
Technical field
The present invention relates to a kind of ternary composite driving bimetallic tube eccentric separated injection device, belong to oil extraction in oil field field of engineering technology.
Background technology
Along with oil recovery field trial scale constantly expands, chemical flooding dispensing well number constantly increases, and increase with the speed of 1000 mouthfuls of wells every year, cause test job amount to increase considerably, reason has two aspects: one is that the increase of dispensing well number causes test job amount to increase year by year; Two is that the chemical dispensing well surveying cycle of adjusting is generally 3-4 month due to the restriction of present stage test troop, but in latter 4 months of chemical flooding well allotment, larger change will occur layering injection rate, and injection allocation qualification rate is only 40-50%.For keeping qualification rate, can only solve Water injection rate problem by shortening the survey tune cycle, test job amount also will increase thereupon, and existing test troop cannot satisfy the demand.Advantage of the present invention is under the prerequisite realizing the injection of chemical flooding dispensing well multi-section multi-layer oil reservoir separate mass and separate pressure, cancels laminated distributor under well flow rate test, solves because chemical dispensing well increases the problem causing test job amount to increase considerably year by year.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of ternary composite driving bimetallic tube eccentric separated injection device.
To achieve these goals, according to an aspect of the present invention, provide a kind of ternary composite driving bimetallic tube eccentric separated injection device, welding point and two-tube outer set upper side are undertaken connecting to form first module body by regular screw threads, first module body is sealed by " O " RunddichtringO, and first module body is positioned by two anti-rotation pins; Top connection lower end be connected outer set upper side and connect to form second unit body by regular screw threads, second unit body is sealed by " O " RunddichtringO, and second unit body is positioned by anti-rotation pin; Centralizer body top connection, guide way are connected by welding manner with centralizer body main body, centralizer body main body is connected by bolt with main body upper end, main body lower end is connected by regular screw threads with lower contact upper end, sealed by " O " RunddichtringO, positioned by anti-rotation pin, lower contact lower end and 2
3/
8tubing coupling upper end is connected by plain tubing screw thread, and 2
3/
8tubing coupling lower end and 2
3/
8oil pipe short circuit is connected by plain tubing screw thread, by centralizer body top connection, centralizer body main body, guide way, bolt, main body, lower contact, 2
3/
8tubing coupling, 2
3/
8oil pipe short circuit composition the 3rd cell cube DY3, bolt connects main body and guide way; One end of lower contact is connected with main body, and the other end of lower contact is connected with center tap; 2
3/
8tubing coupling is connected with the cylindrical of lower contact, and 2
3/
8oil pipe short circuit is connected with lower variable buckle head; Second unit body and the 3rd cell cube are undertaken connecting to form the 4th cell cube by regular screw threads, 4th cell cube is undertaken sealing, being positioned by two anti-rotation pins by " O " RunddichtringO, first module body is sleeved in the 4th cell cube, welded by welding manner, center tap is sleeved on 2
3/
8on oil pipe short circuit, center tap upper end is connected by regular screw threads with two-tube overcoat lower end, undertaken sealing by " O " RunddichtringO, two anti-rotation pins position, rotary body, locating ring are sleeved on center tap lower end successively, rotary body and center tap are undertaken sealing by " O " RunddichtringO, two anti-rotation pins position, lower variable buckle head upper end is connected by regular screw threads with rotary body, is undertaken sealing, two anti-rotation pins position by " O " RunddichtringO.
The invention provides a kind of ternary composite driving bimetallic tube eccentric separated injection device, comprising:
First module body, comprise welding point and two-tube overcoat, welding point is connected with the upper end of two-tube overcoat;
Second unit body, comprises top connection and is connected overcoat, and the lower end of top connection connects with the upper end being connected overcoat;
3rd cell cube, comprise centralizer body top connection, centralizer body main body, main body, lower contact and oil pipe short circuit, wherein, centralizer body top connection is connected with the upper end of centralizer body main body, the lower end of centralizer body main body is connected with the upper end of main body, the lower end of main body is connected with the upper end of lower contact, and the lower end of lower contact is connected with the upper end of oil pipe short circuit;
Second unit body is set in the top of the 3rd cell cube, connect overcoat extends to main body upper end from righting top connection, second unit body and the 3rd cell cube form the 4th cell cube jointly, and first module body is sleeved in the 4th cell cube, and two-tube overcoat extends to the top of oil pipe short circuit from top connection;
Ternary composite driving bimetallic tube eccentric separated injection device also comprises center tap, rotary body and lower variable buckle head, wherein, center tap is sleeved on oil pipe short circuit, and the upper end of center tap is connected with two-tube overcoat lower end, rotary body is set in the lower end of center tap, and the lower end of rotary body is connected with the upper end of lower variable buckle head.
Further, the lower end of lower contact is connected by tubing coupling with between the upper end of oil pipe short circuit.
Further, tubing coupling is 23/8 tubing coupling, and oil pipe short circuit is 23/8 oil pipe short circuit.
Further, ternary composite driving bimetallic tube eccentric separated injection device also comprises guide way, and guide way is arranged on the inside of centralizer body main body.
Further, guide way is welded on the inside of centralizer body main body, and guide way is connected with the upper end of main body by bolt.
Further, locating ring is provided with between rotary body and lower variable buckle head.
Further, the upper end of two-tube overcoat is provided with internal thread, and the lower end of welding point is provided with the external screw thread matched with two-tube overcoat.
Further, be provided with between the upper end of two-tube overcoat and the lower end of welding point " O " RunddichtringO.
Further, anti-rotation pin is provided with between two-tube overcoat and welding point.
Further, anti-rotation pin is two, and two anti-rotation pins are arranged on the both sides of first module body symmetrically.The length of anti-rotation pin is 8mm, 9mm or 15mm; Feed pathway is two, and fluid is by being one.
The separate injection tubing string be made up of the present invention meets anti-flushing well requirement;
The separate injection tubing string separate injection layer hop count be made up of the present invention is unrestricted;
Oil reservoir can be divided into high and low two groups by permeability grade by the separate injection tubing string be made up of the present invention, and in group, the number of plies is unrestricted, realizes grouping and injects;
The separate injection tubing string structure be made up of the present invention meets section plane test needs, during injection profile reversion, can realize grouping conversion, when each interval differs greatly in group, meet downhole testing requirement.
The present invention compared with prior art tool has the following advantages:
Under the prerequisite realizing the injection of ternary composite driving dispensing well multi-section multi-layer oil reservoir separate mass and separate pressure, cancel laminated distributor under well flow rate test, improve test allotment efficiency.The separate injection tubing string be made up of the present invention meets anti-flushing well and requires, substratum is divided into high and low two groups by permeability grade, the interior number of plies of group is unrestricted, realization grouping is injected, when tubular column structure meets section plane test needs, injection profile reversion, each interval in grouping conversion, group can be realized and when differing greatly, meet downhole testing requirement.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the present invention better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention, as schemed wherein:
Fig. 1 is the superstructure schematic diagram of ternary composite driving bimetallic tube eccentric separated injection device of the present invention.
Fig. 2 is the substructure schematic diagram of ternary composite driving bimetallic tube eccentric separated injection device of the present invention.
Below in conjunction with drawings and Examples, the present invention is further described.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Embodiment 1: as shown in Figure 1 and Figure 2, ternary composite driving bimetallic tube eccentric separated injection device, under realizing the prerequisite of ternary composite driving dispensing well multi-section multi-layer oil reservoir separate mass and separate pressure injection, cancels laminated distributor under well flow rate test, improves test allotment efficiency.The separate injection tubing string be made up of the present invention meets anti-flushing well and requires, substratum is divided into high and low two groups by permeability grade, the interior number of plies of group is unrestricted, realization grouping is injected, when tubular column structure meets section plane test needs, injection profile reversion, each interval in grouping conversion, group can be realized and when differing greatly, meet downhole testing requirement.
During onsite application, the present invention and supporting setting tool and insert seal section etc. with the use of.Top of the present invention and insertion seal section, 2
3/
8oil pipe, 3
1/
2oil pipe and setting tool are connected, by 2
3/
8oil pipe, 3
1/
2oil pipe carries and is lowered into precalculated position in well, thus completes the object entered normally.
A kind of ternary composite driving bimetallic tube eccentric separated injection device, by welding point 1, anti-rotation pin 2, " O " RunddichtringO 3, two-tube overcoat 4, top connection 5, connects overcoat 6, centralizer body top connection 7, centralizer body main body 8, guide way 9, bolt 10, main body 11, lower contact 12,2
3/
8tubing coupling 13, center tap 14, rotary body 15, locating ring 16, lower variable buckle 17,2
3/
8oil pipe short circuit 18 forms.Welding point 1 and two-tube overcoat 4 upper end are undertaken connecting to form first module body DY1 by regular screw threads, and first module body DY1 is sealed by " O " RunddichtringO 3, and first module body DY1 is positioned by two anti-rotation pins 2; Top connection 5 lower end be connected overcoat 6 upper end and connect to form second unit body DY2 by regular screw threads, second unit body DY2 is sealed by " O " RunddichtringO 3, and second unit body DY2 is positioned by anti-rotation pin 2; Centralizer body top connection 7, guide way 9 are connected by welding manner A with centralizer body main body 8, centralizer body main body 8 is connected by bolt 10 with main body 11 upper end, main body 11 lower end is connected by regular screw threads with lower contact 12 upper end, sealed by " O " RunddichtringO 3, positioned by anti-rotation pin 2, lower contact 12 lower end and 2
3/
8tubing coupling 13 upper end is connected by plain tubing screw thread, and 2
3/
8tubing coupling 13 lower end and 2
3/
8oil pipe short circuit 18 is connected by plain tubing screw thread, by centralizer body top connection 7, centralizer body main body 8, guide way 9, bolt 10, main body 11, lower contact 12,2
3/
8tubing coupling 13,2
3/
8oil pipe short circuit 18 forms the 3rd cell cube DY3, and bolt 10 connects main body 11 and guide way 9; One end of lower contact 12 is connected with main body 11, and the other end of lower contact 12 is connected with center tap 14; 2
3/
8tubing coupling 13 is connected with the cylindrical of lower contact 12, and 2
3/
8oil pipe short circuit 18 and lower variable buckle 17 is connected; Second unit body DY2 and the 3rd cell cube DY3 is undertaken connecting to form the 4th cell cube DY-0 by regular screw threads, 4th cell cube DY-0 is undertaken sealing, being positioned by two anti-rotation pins 2 by " O " RunddichtringO 3, first module body DY1 is sleeved on the 4th cell cube DY-0, welded by welding manner A, center tap 14 is sleeved on 2
3/
8on oil pipe short circuit 18, center tap 14 upper end is connected by regular screw threads with two-tube overcoat 4 lower end, undertaken sealing by " O " RunddichtringO 3, two anti-rotation pins 2 position, rotary body 15, locating ring 16 are sleeved on center tap 14 lower end successively, rotary body 15 and center tap 14 are undertaken sealing by " O " RunddichtringO 3, two anti-rotation pins 2 position, lower variable buckle 17 upper end are connected by regular screw threads with rotary body 15, undertaken sealing, two anti-rotation pins 2 position by " O " RunddichtringO 3.
The length of anti-rotation pin 2 can be 8mm, 9mm, 15mm;
Feed pathway is a1, a2 two, and fluid is by being b mono-;
The separate injection tubing string be made up of the present invention meets anti-flushing well requirement;
The separate injection tubing string separate injection layer hop count be made up of the present invention is unrestricted;
Oil reservoir can be divided into high and low two groups by permeability grade by the separate injection tubing string be made up of the present invention, and in group, the number of plies is unrestricted, realizes grouping and injects;
The separate injection tubing string structure be made up of the present invention meets section plane test needs, during injection profile reversion, can realize grouping conversion, when each interval differs greatly in group, meet downhole testing requirement.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a ternary composite driving bimetallic tube eccentric separated injection device, it is characterized in that welding point and two-tube outer set upper side are undertaken connecting to form first module body by regular screw threads, first module body is sealed by " O " RunddichtringO, and first module body is positioned by two anti-rotation pins; Top connection lower end be connected outer set upper side and connect to form second unit body by regular screw threads, second unit body is sealed by " O " RunddichtringO, and second unit body is positioned by anti-rotation pin; Centralizer body top connection, guide way are connected by welding manner with centralizer body main body, centralizer body main body is connected by bolt with main body upper end, main body lower end is connected by regular screw threads with lower contact upper end, sealed by " O " RunddichtringO, positioned by anti-rotation pin, lower contact lower end and 2
3/
8tubing coupling upper end is connected by plain tubing screw thread, and 2
3/
8tubing coupling lower end and 2
3/
8oil pipe short circuit is connected by plain tubing screw thread, by centralizer body top connection, centralizer body main body, guide way, bolt, main body, lower contact, 2
3/
8tubing coupling, 2
3/
8oil pipe short circuit composition the 3rd cell cube DY3, bolt connects main body and guide way; One end of lower contact is connected with main body, and the other end of lower contact is connected with center tap; 2
3/
8tubing coupling is connected with the cylindrical of lower contact, and 2
3/
8oil pipe short circuit is connected with lower variable buckle head; Second unit body and the 3rd cell cube are undertaken connecting to form the 4th cell cube by regular screw threads, 4th cell cube is undertaken sealing, being positioned by two anti-rotation pins by " O " RunddichtringO, first module body is sleeved in the 4th cell cube, welded by welding manner, center tap is sleeved on 2
3/
8on oil pipe short circuit, center tap upper end is connected by regular screw threads with two-tube overcoat lower end, undertaken sealing by " O " RunddichtringO, two anti-rotation pins position, rotary body, locating ring are sleeved on center tap lower end successively, rotary body and center tap are undertaken sealing by " O " RunddichtringO, two anti-rotation pins position, lower variable buckle head upper end is connected by regular screw threads with rotary body, is undertaken sealing, two anti-rotation pins position by " O " RunddichtringO.
2. a kind of ternary composite driving bimetallic tube eccentric separated injection device according to claim 1, is characterized in that the length of anti-rotation pin is 8mm, 9mm or 15mm; Feed pathway is two, and fluid is by being one.
3. a ternary composite driving bimetallic tube eccentric separated injection device, is characterized in that, comprising:
First module body, comprises welding point (1) and two-tube overcoat (4), and described welding point (1) is connected with the upper end of described two-tube overcoat (4);
Second unit body, comprises top connection (5) and is connected overcoat (6), and the lower end of described top connection (5) connects with the described upper end being connected overcoat (6);
3rd cell cube, comprise centralizer body top connection (7), centralizer body main body (8), main body (11), lower contact (12) and oil pipe short circuit, wherein, described centralizer body top connection (7) is connected with the upper end of described centralizer body main body (8), the lower end of described centralizer body main body (8) is connected with the upper end of described main body (11), the lower end of described main body (11) is connected with the upper end of described lower contact (12), and the lower end of described lower contact (12) is connected with the upper end of described oil pipe short circuit;
Described second unit body is set in the top of described 3rd cell cube, described connection overcoat (6) extends to the upper end of described main body (11) from described righting top connection (5), described second unit body and described 3rd cell cube form the 4th cell cube jointly, described first module body is sleeved in described 4th cell cube, and described two-tube overcoat (4) extends to the top of described oil pipe short circuit from described top connection (5);
Described ternary composite driving bimetallic tube eccentric separated injection device also comprises center tap (14), rotary body (15) and lower variable buckle head (17), wherein, described center tap (14) is sleeved on described oil pipe short circuit, the upper end of described center tap (14) is connected with described two-tube overcoat (4) lower end, described rotary body (15) is set in the lower end of described center tap (14), and the lower end of described rotary body (15) is connected with the upper end of described lower variable buckle head (17).
4. ternary composite driving bimetallic tube eccentric separated injection device according to claim 3, is characterized in that, the lower end of described lower contact (12) is connected by tubing coupling with between the upper end of oil pipe short circuit.
5. ternary composite driving bimetallic tube eccentric separated injection device according to claim 4, is characterized in that, described tubing coupling is 2
3/
8tubing coupling (13), described oil pipe short circuit is 2
3/
8oil pipe short circuit (18).
6. ternary composite driving bimetallic tube eccentric separated injection device according to claim 3, it is characterized in that, described ternary composite driving bimetallic tube eccentric separated injection device also comprises guide way (9), and described guide way (9) is arranged on the inside of described centralizer body main body (8).
7. ternary composite driving bimetallic tube eccentric separated injection device according to claim 6, it is characterized in that, described guide way (9) is welded on the inside of described centralizer body main body (8), and described guide way (9) is connected by the upper end of bolt (10) with described main body (11).
8. ternary composite driving bimetallic tube eccentric separated injection device according to claim 3, is characterized in that, is provided with locating ring (16) between described rotary body (15) and described lower variable buckle head (17).
9. ternary composite driving bimetallic tube eccentric separated injection device according to claim 3, it is characterized in that, the upper end of described two-tube overcoat (4) is provided with internal thread, and the lower end of described welding point (1) is provided with the external screw thread matched with described two-tube overcoat (4).
10. ternary composite driving bimetallic tube eccentric separated injection device according to claim 3, is characterized in that, is provided with between the upper end of described two-tube overcoat (4) and the lower end of described welding point (1) " O " RunddichtringO (3).
11. ternary composite driving bimetallic tube eccentric separated injection devices according to claim 3, is characterized in that, be provided with anti-rotation pin (2) between described two-tube overcoat (4) and described welding point (1).
12. ternary composite driving bimetallic tube eccentric separated injection devices according to claim 11, it is characterized in that, described anti-rotation pin (2) is two, two described anti-rotation pins (2) are arranged on the both sides of described first module body symmetrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510221986.XA CN105089588A (en) | 2014-05-14 | 2015-05-04 | Ternary composite drive double-layer pipe eccentric dispensing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410204118 | 2014-05-14 | ||
| CN201510221986.XA CN105089588A (en) | 2014-05-14 | 2015-05-04 | Ternary composite drive double-layer pipe eccentric dispensing device |
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| CN105089588A true CN105089588A (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510221986.XA Pending CN105089588A (en) | 2014-05-14 | 2015-05-04 | Ternary composite drive double-layer pipe eccentric dispensing device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201908637U (en) * | 2010-12-21 | 2011-07-27 | 大庆油田有限责任公司 | Multimedia eccentric separated injection device |
| CN202300355U (en) * | 2011-09-01 | 2012-07-04 | 中国石油天然气股份有限公司 | Polymer multi-passage separable-injection tubing column |
| WO2013017742A1 (en) * | 2011-07-29 | 2013-02-07 | IFP Energies Nouvelles | Flexible pipe with injection tube and method for transporting a petroleum effluent |
| CN203452722U (en) * | 2013-07-19 | 2014-02-26 | 中国石油天然气股份有限公司 | ASP flooding double-layered tube packer |
| CN203452758U (en) * | 2013-07-19 | 2014-02-26 | 中国石油天然气股份有限公司 | ASP flooding multi-layered double-layered tube eccentric separate injection device for separate injection well |
-
2015
- 2015-05-04 CN CN201510221986.XA patent/CN105089588A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201908637U (en) * | 2010-12-21 | 2011-07-27 | 大庆油田有限责任公司 | Multimedia eccentric separated injection device |
| WO2013017742A1 (en) * | 2011-07-29 | 2013-02-07 | IFP Energies Nouvelles | Flexible pipe with injection tube and method for transporting a petroleum effluent |
| CN202300355U (en) * | 2011-09-01 | 2012-07-04 | 中国石油天然气股份有限公司 | Polymer multi-passage separable-injection tubing column |
| CN203452722U (en) * | 2013-07-19 | 2014-02-26 | 中国石油天然气股份有限公司 | ASP flooding double-layered tube packer |
| CN203452758U (en) * | 2013-07-19 | 2014-02-26 | 中国石油天然气股份有限公司 | ASP flooding multi-layered double-layered tube eccentric separate injection device for separate injection well |
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Application publication date: 20151125 |
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